Abstract Title:

Curcumin alleviates ethanol-induced hepatocytes oxidative damage involving heme oxygenase-1 induction.

Abstract Source:

J Ethnopharmacol. 2010 Jan 18. Epub 2010 Jan 18. PMID: 20080166

Abstract Author(s):

Wei Bao, Ke Li, Shuang Rong, Ping Yao, Liping Hao, Chenjiang Ying, Xiping Zhang, Andreas Nussler, Liegang Liu

Article Affiliation:

Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, PR China; Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, PR China.

Abstract:

ETHNOPHARMACOLOGICAL RELEVANCE: Curcumin is the main bioactive constituent derived from the rhizome of turmeric (Curcuma longa Linn.), which has been used traditionally as hepatoprotective agents in ayurvedic and traditional Chinese medicine for centuries. AIM OF THE STUDY: The present study was carried out to demonstrate the potential protective effect of curcumin pretreatment against ethanol-induced hepatocytes oxidative damage, with emphasis on heme oxygenase-1 (HO-1) induction. MATERIALS AND METHODS: Rat primary hepatocytes were isolated and treated with ethanol (100mM) and diverse doses of curcumin (0-50muM), which was pretreated at various time points (0-5h) before ethanol administration. Hepatic enzyme releases in the culture medium and redox status including HO-1 enzyme activity were detected. RESULTS: Ethanol exposure resulted in a sustained malondialdehyde (MDA) elevation, glutathione (GSH) depletion and evident release of cellular lactate dehydrogenase (LDH) and aspartate aminotransferase (AST), which was significantly ameliorated by curcumin pretreatment. In addition, dose- and time-dependent induction of HO-1 was involved in such hepatoprotective effects by curcumin. CONCLUSIONS: Curcumin exerts hepatoprotective properties against ethanol involving HO-1 induction, which provide new insights into the pharmacological targets of curcumin in the prevention of alcoholic liver disease.

Study Type : Human Study

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